diff --git a/configs/gunicorn_config.py b/configs/gunicorn_config.py
--- a/configs/gunicorn_config.py
+++ b/configs/gunicorn_config.py
@@ -333,7 +333,7 @@ class RhodeCodeLogger(Logger):
     def now(self):
         """ return date in RhodeCode Log format """
         now = time.time()
-        msecs = int((now - long(now)) * 1000)
+        msecs = int((now - int(now)) * 1000)
         return time.strftime(self.datefmt, time.localtime(now)) + '.{0:03d}'.format(msecs)
 
     def atoms(self, resp, req, environ, request_time):